Kensington Kensington Orbit Optical Trackball - USB
The comfort of a mouse -- the benefits of an optical trackball - Control your cursor with a simple touch of the finger! The highly accurate Orbit Optical is as easy to use as a regular mouse, but it stays in one place saving you valuable desk space. The precise optical tracking mechanism is also resistant to dust, reducing the need for regular trackball cleaning.
Kensington Orbit Optical Trackball - USB
Usually ships in 5-7 business days.